A Sound wave is a vibration from a voice and extra
Materials: 2 cups of corn starch, 1 cup of water, a subwoofer, a thin cookie sheet, an MP3, and food coloring
Procedure:
- Mix the cornstarch and water to make the Oobleck
- Put the cookie sheet on top of the sub-woofer
- Put all the Oobleck in it
- Put gentle pressure on the corner of the cookie sheet
- Now play the MP 3
- You can add food coloring to make it look good
Kid will learn about sound waves from this